Rotatable oscillatory seats for association with pedal operated machinery



Dec. 23, 1958 s. H. A. THOMPSON 2,865,429

ROTATABLE OSCILLATORY SEATS FOR ASSOCIATION WITH PEDAL OPERATEDMACHINERY Filed Jan. 25, 1957 i 1-3 f n L \\\\\\\lj\\ awe/0 07? Unitedstates Patent RQTATABLE USCPLLATQRY EAT AS5656 A TION WK'EH PEDALULERATED MACHIPWRT.

Stanley Howard Adcock Thompson, Stoke Bishop, Bristoi, Engiand, assignorto The Tan-ad Cha r Company (1931) Limited, Birmingham, Engiand, aErnish corn- P r Application January 25, 1957, Serial No. 636,392

1 Claim. (Cl. 1558l) This invention relates to improvements connectedwith rotatable oscillatory seats for association with pedal operatedmachinery and is particularly applicable for connection to a machine ofwhich the operator is required to service an arc of the machine such as,by way of example, when applied to a circular knitting machine, and isalso required to control the operation of the machine by means of apedal.

The invention consists of improvements connected with rotatableoscillatory seats for association with pedal operated machinery andcomprises a seat which is oscillatorily mounted by means of a rotatablespindle located at the upper end of an inclined arm which in turn ispivotally mounted at its base by means of a housing disposed about avertical pin, the pin being secured between a base frame which isadapted to be fastened to the floor and a tie plate extending from theframe to the upper extremity of the pin. A bracket for the pivotalsupport of a control pedal associated with the machine may be adjustablymounted on the face of the tie plate. The invention further consists inthe provision between the tie plate and base frame of a medial Web whichserves to limit the arcuate swing of the arm in relation to the machineby virtue of a contacting forked flange on the tubular bearing member ofthe inclined arm.

In order that the invention may be clearly understood and readilycarried into practice reference may be had to the appended explanatorydrawings in which:

Fig. 1 illustrates in elevation a rotatable oscillatory seat inaccordance with the present invention and Fig. 2 is a plan view withseat and back rest removed According to the embodiment of the inventionthe seat a is provided with a dependent spindle a which is pivotallyaccommodated within a housing b formed at the upper end of an inclinedgirder section arm b. A housing b formed at the lower end of the arm [2is rotatably mounted about a vertical pin 0 which is mounted between atriangular base frame d and a superimposed cranked triangular tie platee which is welded or otherwise secured along one edge to the base framed.

The base frame a is provided with holes d at the apices thereof toenable the frame to be secured to the ground by means of rag bolts d Avertical medial web a is provided between the superimposed triangulartie plate e and base frame d and forms an abutment for a forked flange bprojecting from the spindle housing b of the girder arm b and therebyserves to limit the arcuate swing of the arm b and seat in relation tothe machine wit which the seat is associated.

A bracket 1 for the pivotal support of a foot pedal 1' for the controlof the machine by the operator may be ad justably bolted to the upperface of the tie plate e.

I claim:

Improvements in rotatable oscillatory seats comprising a seat, aninclined arm having a mounting housing integrally formed on the base ofsaid arm, a contacting forked flange forming a pair of stops on saidmounting housing extending laterally therefrom and being substantiallyequally spaced one on each side of said arm, a base frame adapted to befastened to a floor, a tie plate integral with and extending from saidbase frame to the upper side of said arm mounting housing with a partextending th-ereover, an upwardly extending medial web integral withsaid tie plate and extending therefrom toward said mounting housing forreinforcing said tie plate and arranged between said forked flange stopson said housing engageable thereby for limiting the arcuate swing ofsaid arm by engagement of said stops with said medial web on oscillationof said arm, means including a pin for oscillatably securing saidmounting housing between said base frame and said tie plate part, and arotatable spindle means for oscillatably mounting said seat on the upperend of said arm.

References Cited in the tile of this patent UNITED STATES PATENTS588,525 Bell Aug. 17, 1897 956,925 Bailey May 3, 1910 1,182,639 Carr May9, 1916 1,892,813 Sheldon Ian. 3, 1933 2,553,545 Booth H May 22, 1951

